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Financial Instruments - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
Financial Instruments - Narrative (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jul. 17, 2019
Derivative [Line Items]
Reclassification from accumulated other comprehensive loss		$ 800,000	$ 0	$ 0
Cash flow hedge, tax expense (benefit) reclassified to earnings		300,000
Interest Rate Collar
Derivative [Line Items]
Derivative instruments not designated as hedges, gain (loss)	$ 1,700,000
Not Designated as Hedging Instrument \| Interest Rate Collar
Derivative [Line Items]
Interest rate collar amount					$ 170,000,000.0
Cash Flow Hedging \| Designated as Hedging Instrument \| Interest Rate Collar
Derivative [Line Items]
Reclassification from accumulated other comprehensive loss		800,000
Cash flow hedge, tax expense (benefit) reclassified to earnings		$ 300,000